Bacterial keratitis can be treated with levofloxacin and cephalosporin, fungal keratitis with natamycin or fluconazole, and viral keratitis with ganciclovir. There are three types of corneal inflammation depending on the causative agent, namely bacterial keratitis, fungal keratitis and viral keratitis, and different treatment measures are needed depending on the pathogen of infection. Bacterial keratitis can be treated with tobramycin eye drops, levofloxacin eye drops or oral cephalosporin antibiotics. Fungal keratitis can be treated with antifungal medications, such as natamycin or fluconazole, or a combination of medications. Viral keratitis can be treated with ganciclovir or, in severe cases, acyclovir. When the discovery of keratitis should go to the hospital in time to clarify the cause of the disease and the causative organisms, under the guidance of the doctor regular use of medication, not unauthorized use of medication.